副词
中文翻译：没有多久
同义词：
['sooner', 'at once例句：1. No sooner had we arrived than the rain started to fall.（我们刚到就下起了雨。）']
例句：
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1. No sooner had we arrived than the rain started to fall.
我们刚到就下起了雨。
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2. No sooner had she finished her work than she went home.
她一完成工作就回家了。
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3.No sooner had he left than he realized his mistake.
他离开不久就意识到了他的错误。